chat(8) on OpenBSD
The text 9d4cf0caf48e, as OpenBSD 4.6, OpenBSD 4.5, OpenBSD 4.4, OpenBSD 4.3, OpenBSD 4.2 shipped it.
automated conversational script with a modem
Flags it lists
-
-S -
-T -
-U -
-V -
-e -
-f -
-r -
-s -
-t -
-v